High sensitivity absorption spectroscopy of hydrogen chloride near 770nm

被引：1
作者：
Vasilchenko, S. S. [1 ]
Lyulin, O. M. [1 ]
Perevalov, V. I. [1 ]
机构：
[1] Russian Acad Sci, Inst Atmospher Opt, Siberian Branch, VE Zuev Inst Atmospher Opt, 1 Academician Zuev Sq, Tomsk 634055, Russia
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2023年 / 296卷
基金：
俄罗斯科学基金会;
关键词：
Hydrogen chloride; Cavity ring -down spectroscopy; Line position; line intensity; OVERTONE BANDS; INTENSITIES; FIT;
D O I：
10.1016/j.jqsrt.2022.108460
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Cavity Ring-Down Spectra (CRDS) of hydrogen chloride were recorded in the 12,943-13,295 cm -1 region with sensitivity of 4 x 10 -11 cm -1. The lines P(4) - P(12) of the 5-0 band of two H35Cl and H37Cl isotopologues were assigned in these spectra. The positions, intensities, self-broadening and self-pressure -induced shift coefficients of these lines were measured. The measured line positions are in a good agree-ment with those presented in the HITRAN2020 database. The measured line intensities are 1.3 times greater than those from the HITRAN2020 database. The measured self-broadening coefficients are in a good agreement with the HITRAN2020 values for the small angular momentum quantum numbers and slightly exceed the HITRAN2020 values for the large angular momentum quantum numbers.& COPY; 2022 Elsevier Ltd. All rights reserved.
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页数：5
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